﻿using System;
using System.Collections.Generic;
using System.Text;

namespace ConsoleApp3
{
    public class Compute
    {
        public string Add(string sign1, string sign2)
        {
            return sign1 + sign2;
        }

        private int Subtraction;
        public int Minus(int num1, int num2)
        {
            return num1 - num2;
        }

        internal double Multiply(double num1, double num2)
        {
            return num1 * num2;
        }
    }
}
